header fields should be symbols. enable fatal error messages.

how do i get a stack trace on a fatal error?
http://groups.google.com/group/v8-users/browse_thread/thread/b70c70d568c332e1

node.cc

@@ -219,7 +219,7 @@ main (int argc, char *argv[])
   Init_tcp(g);
   Init_http(g);
 
-  //V8::SetFatalErrorHandler(OnFatalError);
+  V8::SetFatalErrorHandler(OnFatalError);
 
   v8::Handle<v8::String> source = ReadFile(filename);
   ExecuteString(source, String::New(filename.c_str()), false, true);

node_http.cc

@@ -435,7 +435,7 @@ HttpRequest::CreateJSObject ()
     string &f = *field_iterator;
     string &v = *value_iterator;
     
-    headers->Set( String::New(f.c_str(), f.length() )
+    headers->Set( String::NewSymbol(f.c_str(), f.length())
                 , String::New(v.c_str(), v.length() ) 
                 );